8118240 has 96 divisors (see below), whose sum is σ = 27560736. Its totient is φ = 1996800.

The previous prime is 8118239. The next prime is 8118251. The reversal of 8118240 is 428118.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 8118240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5590 + ... + 6890.

It is an arithmetic number, because the mean of its divisors is an integer number (287091).

Almost surely, 2^8118240 is an apocalyptic number.

8118240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8118240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13780368).

8118240 is an abundant number, since it is smaller than the sum of its proper divisors (19442496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8118240 is a wasteful number, since it uses less digits than its factorization.

8118240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 8118240 is about 2849.2525335603. The cubic root of 8118240 is about 200.9805183960.

The spelling of 8118240 in words is "eight million, one hundred eighteen thousand, two hundred forty".